Ok, folks...I feel like I need to say this one more time. If you don't want to do it, then you're on your own to suffer the hard way around.
GO GET YOUR C AND D ACCORDIONS LABEL EACH FINGER WITH A DRY ERASE MARKER WITH THE PERSPECTIVE MUSICAL NOTE FOR BOTH THE PUSH AND THE PULL. That will be two musical notes per finger. Push closest to you, Pull farthest away, but on but on the end of the valve fingers that's farthest from you the player. And play staring at the musical notes as you play.

THEN PLAY ALONG WITH TOMMY MCLAIN AND JOEL SONNIER FOR THE TWO SONGS I POSTED until you can play them note for note using double and single notes where they seem to fit.

Take your time with the labeling so not to mix it up or you'll suddenly be visually and audibly learning the wrong notes due to your got dam impatience and lack of attention to detail! Jerry, for guys like you and me you may need to take out your cheater glasses to make sure the labeling stays neat, evenly spaced, and consistent for all the fingers. LOL You can even label the number of the finger with the top most finger being number 1 and the last button at the bottom being number 10. It may seem novice OR EVEN TROUBLESOME, but go ahead and do it and watch and see what happens to your understanding of the accordion.

I've been going at the accordion for 25 years, and when I did this just recently, it surprised me. When I did it with the two songs I posted, it excited me. I finally saw the true potential of the accordion and the accordion player materialize right before my eyes, ears, and mind. Life Changing.

LOL, you're killing me Smalls! Well, I just put a C and F because I didn't have much room to write with that fat marker on the end of them fingers. Musta wrote and rewrote those dam letters 3 times before I finally liked the way they looked to my eye while I was actually playing and looking down at them. Gotta write them on the top half of the finger so you can see them good while playing. But you can only see them when you actually hit each button and the perspective finger rises from the rest to show it's musical note. I had seen this done before, but the teacher had put the notes on a piece of manila that he glued to the accordion right next to the end of the fingers. To hell with that! I aint putting glue on my dam accordion!

Now as an accordion builder...Bryan, have you memorized each note for the push and pull yet for the C and D accordion? That would put you ahead of the game!

I have. I would think most players who've been playing a while can id the notes on their basic accordion, especially if that's the one they learned on, at least the guys I've been around can. It seems easy on a C, but anything else seems not as easy to remember. I can remember the D just because I've tuned so many.

Knowing the notes of my accordions was pretty critical when I was learning songs in the 3rd position, it helped with the transposing since it seemed so unnatural to me to play in that position.